Controlled release fertilizer

Details Controlled release fertilizer Controlled release fertilizer

1977-11-22

1979-04-10

Scovronek, Joseph

Chemistry: fertilizers

Processes and products

Inorganic material

423302, 71 64F, 71 64G, C05B 700, C01B 2106

Patent

active

041486234

ABSTRACT:
A nitrogen containing slow release glass fertilizer is prepared by co-melting phosphorus oxynitride with phosphorus pentoxide, an alkaline metal oxide and an oxide of a metal of Group II or Group III of the periodic table.

REFERENCES:
patent: 2732290 (1956-01-01), Vana et al.
patent: 3082120 (1963-03-01), Bloomfield
patent: 3958973 (1976-05-01), Roberts

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